Published in Bonn zoological bulletin, in 2011, in volume 60, issue 2, pages 165-168

Created: 2014-05-19, modified: 2014-05-20

Published in Journal of The Straits Branch of The Royal Asiatic Society, in 1922, in volume 85, pages 54-57

Created: 2016-07-04, modified: 2016-07-04

Published in Bulletin of The British Ornithologists' Club, in 2010, in volume 130, issue 3, pages 181-207

Created: 2015-05-17, modified: 2015-05-17

Published in Forktail, in 2014, in volume 30, pages 143-145

Created: 2019-05-12, modified: 2019-05-12

Published in Bulletin of the British Ornithologists' Club, in 2011, in volume 131, issue 2, pages 94-102

Created: 2018-10-08, modified: 2018-10-08

Published in Bulletin of the British Ornithologists' Club, in 2010, in volume 130, issue 3, pages 166-180

Created: 2015-05-17, modified: 2015-07-13